<template>
  <div class="icons">
    <swiper>
      <swiper-slide v-for="(page,index) of pages" :key="index">
        <div class="icon" v-for="item of page" :key="item.id">
          <div class="icon-image">
            <img class="icon-img-content" :src="item.imgUrl" alt="">
          </div>
          <p class="icon-desc">{{item.desc}}</p>
        </div>
      </swiper-slide>
    </swiper>
  </div>
</template>
<script>
  export default {
    name: 'HomeIcons',
    props: {
      list: Array
    },
    computed: {
      pages () {
        const pages = []
        this.list.forEach((item, index) => {
          const page = Math.floor(index / 8)
          if (!pages[page]) {
            pages[page] = []
          }
          pages[page].push(item)
        })
        return pages
      }
    }
  }
</script>
<style lang="stylus" scoped>
  @import '~styles/varibles.styl'
  @import '~styles/mixins.styl'
  .icons >>> .swiper-container
    width: 100%
    height: 0
    padding-bottom: 50%
  .icons
    margin-top: .2rem
  .icon
    position: relative
    overflow: hidden
    float: left
    width: 25%
    height: 0
    padding-bottom 25%

  .icon-image
    position: absolute
    top: 0
    left: 0
    right: 0
    bottom: .44rem
    box-sizing: border-box
    padding: .1rem

  .icon-img-content
    display: block
    margin: 0 auto
    height: 100%

  .icon-desc
    position: absolute
    left: 0
    right: 0
    bottom: 0
    height: .44rem
    line-height: .44rem
    text-align: center
    color: $darkTextColor
    ellipsis()
</style>
